Table 1.
Characteristics of all OHCA patients.
| Characteristics | Pre-COVID-19 Period (n = 1724) | COVID-19 Period (n = 3122) | p-value | Non-COVID-19 Group (n = 2356) | COVID-19 Group (n = 766) | p-value | Total (n = 4869) |
|---|---|---|---|---|---|---|---|
| Age (years), Mean ± SD | 68 ± 20 | 71 ± 19 | <0.001 | 71 ± 19 | 70 ± 18 | 0.03 | 70 ± 19 |
| Gendera (male), n (%) | 1069 (62.0) | 1839 (59.0) | 0.04 | 1371 (58.3) | 468 (61.2) | 0.12 | 2908 (60.1) |
| Ethnicity, n (%) | |||||||
| White | 1044 (60.6) | 1573 (50.4) | <0.001 | 1276 (54.2) | 297 (38.8) | <0.001 | 2617 (54.0) |
| Asian/British Asian | 86 (5.0) | 221 (7.1) | 135 (5.7) | 86 (11.2) | 307 (6.3) | ||
| Black/Black British | 111 (6.4) | 244 (7.8) | 166 (7.0) | 78 (10.2) | 355 (7.3) | ||
| Other | 58 (3.4) | 130 (4.2) | 77 (3.3) | 53 (6.9) | 188 (3.9) | ||
| Unknown | 425 (24.7) | 954 (30.6) | 702 (29.8) | 252 (32.9) | 1379 (28.5) | ||
| Location, n (%) | |||||||
| Private address | 1474 (85.5) | 2899 (92.9) | <0.001 | 2164 (91.9) | 735 (96.0) | <0.001 | 4373 (90.2) |
| Public | 249 (14.4) | 223 (7.1) | 192 (8.1) | 31 (4.0) | 472 (9.7) | ||
| Unknown | 1 (0.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (<0.1) | ||
| Response times (min), Median (IQR) | |||||||
| EMS call to scene | 7.2 (5.4−9.8) | 9.3 (6.4−15.3) | <0.001 | 9.0 (6.3−14.3) | 10.0 (6.4−17.4) | <0.001 | 8.2 (5.9−12.9) |
| Time spent on sceneb | 52.3 (39.5−70.6) | 61.8 (47.7−81.0) | <0.001 | 61.1 (47.1−78.8) | 67.0 (49.0−90.0) | 0.03 | 57.1 (42.5−75.1) |
| EMS Call to hospital arrivalb | 74.4 (59.9−94.5) | 86.4 (68.7−109.1) | <0.001 | 84.6 (68.5−105.5) | 98.5 (70.3−148.3) | <0.001 | 80.6 (64.1−101.1) |
| EMS resuscitation attempt, n (%) | 683 (39.6) | 1135 (36.4) | 0.03 | 742 (31.5) | 393 (51.3) | <0.001 | 1818 (37.5) |
a
Percentages exclude cases where gender is unknown (n = 6).
b
Where the patient was conveyed to hospital.